120122212011 has 16 divisors (see below), whose sum is σ = 162581960448. Its totient is φ = 78874236000.

The previous prime is 120122211997. The next prime is 120122212019. The reversal of 120122212011 is 110212221021.

It is not a de Polignac number, because 120122212011 - 2⁹ = 120122211499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120122212019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70465 + ... + 495186.

It is an arithmetic number, because the mean of its divisors is an integer number (10161372528).

Almost surely, 2^120122212011 is an apocalyptic number.

120122212011 is a deficient number, since it is larger than the sum of its proper divisors (42459748437).

120122212011 is an equidigital number, since it uses as much as digits as its factorization.

120122212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566722.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120122212011 its reverse (110212221021), we get a palindrome (230334433032).

The spelling of 120122212011 in words is "one hundred twenty billion, one hundred twenty-two million, two hundred twelve thousand, eleven".